Aqara’s off-the-shelf smart lock is cheaper during the big spring sale

There are many Great smart locks there. But one of the best models that iPhone owners should consider buying right now is U400 drugwhich provides hands-free unlocking when you get close enough. It has a built-in Apple U1 Ultra Wideband chip to authenticate you and unlock the door hands-free, so all you have to do is open the door when you get home. This smart lock is discounted for the first time during Big spring salecosting $229.49 (originally $269.99) at Amazon.

As our reviewer Jennifer Pattison Toohey said Her hands-on impressions with the U400Hands-free unlocking isn’t new — but this is the most reliable implementation I’ve tried yet. Apple’s Home Key relies on a combination of Bluetooth and UWB for communication and authentication, and you don’t need an additional app.

In addition to using the Home Key, you can unlock the U400 using a code on the touch keypad, a registered fingerprint, or a regular ol’ key. This is a lock issue above the topic, and works with your choice of smart home ecosystems. You will only need a thread boundary router (newer Apple TV modelsthe Second generation HomePodand HomePod Mini (These are just a few examples of border routers at varying prices) to allow your devices to connect via Thread instead of just Wi-Fi, saving doorbell battery along the way.